"""
@name : BookTypes
@author : FanMY_71
@projectname: Selling-Idea
@Time: 2022/8/28-18:14
"""
from model import db

class BookTypes(db.Model):
    book_id = db.Column(db.Integer, autoincrement=True, primary_key=True)
    book_categories = db.Column(db.String(24), unique=True, nullable=True)




